./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7df5d4e763d99c6ca9aa3d4daa03dcc5b8b9d65829db9a89ff85ebe5a14f3ac3
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:06:36,682 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:06:36,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 18:06:36,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:06:36,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:06:36,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:06:36,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:06:36,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:06:36,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:06:36,840 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:06:36,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:06:36,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:06:36,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:06:36,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:06:36,846 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:06:36,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:06:36,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:06:36,848 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 18:06:36,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:06:36,848 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 18:06:36,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:06:36,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:06:36,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:06:36,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:06:36,855 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:06:36,855 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 18:06:36,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:06:36,856 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 18:06:36,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:06:36,856 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:06:36,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:06:36,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:06:36,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:06:36,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:06:36,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:06:36,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:06:36,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:06:36,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:06:36,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:06:36,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:06:36,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:06:36,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:06:36,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:06:36,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:06:36,864 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7df5d4e763d99c6ca9aa3d4daa03dcc5b8b9d65829db9a89ff85ebe5a14f3ac3
[2024-11-08 18:06:37,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:06:37,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:06:37,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:06:37,201 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:06:37,202 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:06:37,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i
Unable to find full path for "g++"
[2024-11-08 18:06:39,286 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:06:39,622 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:06:39,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i
[2024-11-08 18:06:39,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/data/52d2e9a07/9ed9edf737bd45909e9a5d6cdbd359f9/FLAG3b5ec1539
[2024-11-08 18:06:39,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/data/52d2e9a07/9ed9edf737bd45909e9a5d6cdbd359f9
[2024-11-08 18:06:39,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:06:39,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:06:39,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:06:39,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:06:39,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:06:39,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:06:39" (1/1) ...
[2024-11-08 18:06:39,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee1a2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:39, skipping insertion in model container
[2024-11-08 18:06:39,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:06:39" (1/1) ...
[2024-11-08 18:06:39,748 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:06:40,209 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:06:40,231 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:06:40,285 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:06:40,350 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:06:40,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40 WrapperNode
[2024-11-08 18:06:40,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:06:40,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:06:40,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:06:40,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:06:40,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,414 INFO L138 Inliner]: procedures = 173, calls = 48, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 228
[2024-11-08 18:06:40,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:06:40,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:06:40,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:06:40,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:06:40,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,458 INFO L175 MemorySlicer]: Split 21 memory accesses to 6 slices as follows [2, 2, 5, 5, 5, 2]. 24 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 5, 5, 0]. The 2 writes are split as follows [0, 1, 0, 0, 0, 1].
[2024-11-08 18:06:40,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:06:40,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:06:40,485 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:06:40,485 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:06:40,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (1/1) ...
[2024-11-08 18:06:40,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:06:40,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:06:40,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:06:40,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82175895-7694-456c-ab80-f710ae51b992/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:06:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 18:06:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 18:06:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 18:06:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-08 18:06:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-08 18:06:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-08 18:06:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun
[2024-11-08 18:06:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun
[2024-11-08 18:06:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 18:06:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 18:06:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 18:06:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-08 18:06:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-08 18:06:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-08 18:06:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-08 18:06:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:06:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 18:06:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun
[2024-11-08 18:06:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun
[2024-11-08 18:06:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 18:06:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:06:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 18:06:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 18:06:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-08 18:06:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-08 18:06:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-08 18:06:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-08 18:06:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:06:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:06:40,625 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 18:06:40,825 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:06:40,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:06:41,334 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:06:41,334 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:06:41,648 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:06:41,648 INFO L316 CfgBuilder]: Removed 20 assume(true) statements.
[2024-11-08 18:06:41,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:06:41 BoogieIcfgContainer
[2024-11-08 18:06:41,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:06:41,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:06:41,655 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:06:41,660 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:06:41,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:06:39" (1/3) ...
[2024-11-08 18:06:41,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d085d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:06:41, skipping insertion in model container
[2024-11-08 18:06:41,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:06:40" (2/3) ...
[2024-11-08 18:06:41,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d085d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:06:41, skipping insertion in model container
[2024-11-08 18:06:41,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:06:41" (3/3) ...
[2024-11-08 18:06:41,666 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_03-munge_racing.i
[2024-11-08 18:06:41,692 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:06:41,693 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations.
[2024-11-08 18:06:41,693 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:06:41,807 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-08 18:06:41,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 137 transitions, 294 flow
[2024-11-08 18:06:41,966 INFO L124 PetriNetUnfolderBase]: 55/262 cut-off events.
[2024-11-08 18:06:41,967 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2024-11-08 18:06:41,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 262 events. 55/262 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1195 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 151. Up to 8 conditions per place.
[2024-11-08 18:06:41,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 137 transitions, 294 flow
[2024-11-08 18:06:41,983 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 137 transitions, 294 flow
[2024-11-08 18:06:41,995 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:06:42,002 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d3f776d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:06:42,003 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations.
[2024-11-08 18:06:42,009 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:06:42,010 INFO L124 PetriNetUnfolderBase]: 3/18 cut-off events.
[2024-11-08 18:06:42,010 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:06:42,010 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:06:42,011 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:06:42,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] ===
[2024-11-08 18:06:42,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:06:42,018 INFO L85 PathProgramCache]: Analyzing trace with hash 810166701, now seen corresponding path program 1 times
[2024-11-08 18:06:42,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:06:42,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319617134]
[2024-11-08 18:06:42,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:06:42,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:06:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:06:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:06:42,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:06:42,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319617134]
[2024-11-08 18:06:42,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319617134] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:06:42,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:06:42,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:06:42,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445629067]
[2024-11-08 18:06:42,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:06:42,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:06:42,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:06:42,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:06:42,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:06:42,601 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 137
[2024-11-08 18:06:42,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 137 transitions, 294 flow. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:06:42,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:06:42,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 137
[2024-11-08 18:06:42,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:06:44,697 INFO L124 PetriNetUnfolderBase]: 5878/12258 cut-off events.
[2024-11-08 18:06:44,697 INFO L125 PetriNetUnfolderBase]: For 152/152 co-relation queries the response was YES.
[2024-11-08 18:06:44,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21254 conditions, 12258 events. 5878/12258 cut-off events. For 152/152 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 110393 event pairs, 2520 based on Foata normal form. 1975/13270 useless extension candidates. Maximal degree in co-relation 20298. Up to 8815 conditions per place.
[2024-11-08 18:06:44,797 INFO L140 encePairwiseOnDemand]: 110/137 looper letters, 92 selfloop transitions, 3 changer transitions 0/152 dead transitions.
[2024-11-08 18:06:44,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 152 transitions, 514 flow
[2024-11-08 18:06:44,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:06:44,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:06:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 367 transitions.
[2024-11-08 18:06:44,816 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6697080291970803
[2024-11-08 18:06:44,818 INFO L175 Difference]: Start difference. First operand has 112 places, 137 transitions, 294 flow. Second operand 4 states and 367 transitions.
[2024-11-08 18:06:44,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 152 transitions, 514 flow
[2024-11-08 18:06:44,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 152 transitions, 514 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:06:44,838 INFO L231 Difference]: Finished difference. Result has 114 places, 115 transitions, 262 flow
[2024-11-08 18:06:44,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=262, PETRI_PLACES=114, PETRI_TRANSITIONS=115}
[2024-11-08 18:06:44,849 INFO L277 CegarLoopForPetriNet]: 112 programPoint places, 2 predicate places.
[2024-11-08 18:06:44,849 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 115 transitions, 262 flow
[2024-11-08 18:06:44,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:06:44,850 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:06:44,850 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:06:44,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:06:44,851 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] ===
[2024-11-08 18:06:44,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:06:44,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1202764849, now seen corresponding path program 1 times
[2024-11-08 18:06:44,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:06:44,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976056374]
[2024-11-08 18:06:44,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:06:44,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:06:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:06:44,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:06:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:06:44,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:06:44,952 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:06:44,955 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 26 remaining)
[2024-11-08 18:06:44,957 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining)
[2024-11-08 18:06:44,957 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining)
[2024-11-08 18:06:44,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining)
[2024-11-08 18:06:44,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining)
[2024-11-08 18:06:44,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining)
[2024-11-08 18:06:44,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining)
[2024-11-08 18:06:44,959 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining)
[2024-11-08 18:06:44,959 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining)
[2024-11-08 18:06:44,959 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining)
[2024-11-08 18:06:44,960 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining)
[2024-11-08 18:06:44,960 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining)
[2024-11-08 18:06:44,960 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining)
[2024-11-08 18:06:44,960 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 26 remaining)
[2024-11-08 18:06:44,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining)
[2024-11-08 18:06:44,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining)
[2024-11-08 18:06:44,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining)
[2024-11-08 18:06:44,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining)
[2024-11-08 18:06:44,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining)
[2024-11-08 18:06:44,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining)
[2024-11-08 18:06:44,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining)
[2024-11-08 18:06:44,963 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining)
[2024-11-08 18:06:44,963 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining)
[2024-11-08 18:06:44,963 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining)
[2024-11-08 18:06:44,963 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining)
[2024-11-08 18:06:44,964 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining)
[2024-11-08 18:06:44,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:06:44,964 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-08 18:06:44,967 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-08 18:06:44,967 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-08 18:06:45,029 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2024-11-08 18:06:45,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 184 places, 231 transitions, 506 flow
[2024-11-08 18:06:45,208 INFO L124 PetriNetUnfolderBase]: 189/839 cut-off events.
[2024-11-08 18:06:45,209 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES.
[2024-11-08 18:06:45,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 839 events. 189/839 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5118 event pairs, 1 based on Foata normal form. 0/555 useless extension candidates. Maximal degree in co-relation 509. Up to 32 conditions per place.
[2024-11-08 18:06:45,220 INFO L82 GeneralOperation]: Start removeDead. Operand has 184 places, 231 transitions, 506 flow
[2024-11-08 18:06:45,232 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 184 places, 231 transitions, 506 flow
[2024-11-08 18:06:45,234 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:06:45,235 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d3f776d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:06:45,235 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations.
[2024-11-08 18:06:45,238 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:06:45,239 INFO L124 PetriNetUnfolderBase]: 3/19 cut-off events.
[2024-11-08 18:06:45,239 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:06:45,239 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:06:45,239 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:06:45,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] ===
[2024-11-08 18:06:45,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:06:45,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1005070938, now seen corresponding path program 1 times
[2024-11-08 18:06:45,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:06:45,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406790892]
[2024-11-08 18:06:45,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:06:45,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:06:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:06:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:06:45,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:06:45,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406790892]
[2024-11-08 18:06:45,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406790892] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:06:45,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:06:45,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:06:45,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243248633]
[2024-11-08 18:06:45,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:06:45,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:06:45,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:06:45,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:06:45,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:06:45,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 231
[2024-11-08 18:06:45,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 231 transitions, 506 flow. Second operand has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:06:45,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:06:45,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 231
[2024-11-08 18:06:45,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand